Rifat Haidar

10 Questions 5 Answers 0 Followers

Questions related from Rifat Haidar

Why thermal radiation is increasing with increasing TBC coating thickness?

I am using stainless steel (304)plate coated with TBC (YSZ) as combustor wall. i have different samples with different coating thickness. For the same temperature, the total and spectral thermal...

14 September 2023 8,309 0 View

Can anyone suggest a papers on spectral emissivity of thermal barrier coating ( YSZ) in visible and near infrared range?

I am planning to use multiline pyrometry method for measuring surface temperature of TBC material (YSZ). For that I need information about spectral emissivity of thermal barrier coating (YSZ) in...

13 January 2023 479 0 View

Can anyone suggest lens arrangement for my fiber optic and test configuration ?

I am heating a tube to a very high temperature. i want to collect thermal radiation from the internal tube surface through a small hole I made. i have a fiber optics and various kinds of lens. Can...

10 May 2022 5,778 7 View

Can anyone suggest a challenging research topic related to flame transfer function ?

can anyone suggest a challenging research topic related to flame transfer function ?

15 March 2018 5,829 0 View

If i create velocity modulation at the inlet of a pipe will the modulation dampen at a length far away from inlet?

I have a long pipe that connect a siren (modulation device) and a combustion chamber. I am creating velocity fluctuation at the inlet of that long pipe with the siren. Because of the long length...

15 July 2017 8,750 3 View

How do i process two microphone data placed at some distance to determine the flow/particle velocity?

I want to measure the velocity fluctuation in a air stream using two microphone. I got the data. How do i process it to get the velocity.

22 June 2017 6,320 2 View

For two microphone technique what is the minimum distance that should be maintained between the two sensors?

N/A

28 May 2017 6,321 6 View

. If i want to create a velocity fluctuation (v') of 8 m/s with the help of a loud speaker what is the frequency and dB i have to use.

I want to create velocity oscillation with a loud speaker. Is there any law that related to velocity amplitude with the intensity of the sound wave emitted by the loud speaker?

21 May 2017 5,787 5 View

For the calculation of flame transfer function can a loud speaker be used in place of a siren to cause velocity oscillation?

i want to calculate the flame transfer function of swirl stabilized non premixed flame. I have a loud speaker at my disposal. Do i need a siren instead of a loudspeaker.

18 May 2017 7,784 3 View

How to use two microphone technique to determine acoustic velocity? A good introductory literature would be helpful.

I am planning to use it for determining flame transfer function.

16 May 2017 9,554 1 View